18 - Dragons Secret by Augusta Huiell Seaman

Sixteen-year-old Leslie Crane has arrived at the picturesque New Jersey shore to care for her ailing Aunt Marcia, who is seeking peace and recovery. While the October beach offers its own charm, Leslie soon finds herself feeling isolated without anyone her age to connect with. Little does she know that a thrilling adventure awaits just around the corner, as she forms an unexpected friendship and becomes embroiled in a captivating mystery surrounding the mysterious bungalow next door. Written by Augusta Huiell Seaman, a celebrated author of over 40 historical fiction and mystery novels for young readers, The Dragons Secret was first published in 1921. (summary by J. M. Smallheer)